package org.hnsd.train.design.srp;

/**
 * @author youqd
 * @tag.date 2023-10-25 14:21
 **/
public interface IPhone {
    //拨通电话
    public void dial(String phoneNumber);

    //通话
    public void chat(Object o);

    //通话完毕，挂电话
    public void hangup();
}
